| 主要參考文獻 | Keith, P. and J. Allardi (coords.), 2001 |
| 形態描述的性別 | |
| Bones in OsteoBase |
| 特殊器官 | |
| 不同的外表 | |
| 不同的顏色 | |
| 附註 |
| 顯著的特徵 | |
| 側面體型 | fusiform / normal |
| 橫切面 | |
| 頭部背面描繪 | |
| 眼的類型 | |
| 口/吻尖的類型 | |
| 口的位置 | |
| 鑑別 |
Diagnosed from congeners in Europe by the possession of the following characters: origin of anal fin below branched dorsal rays 4-5; lateral line with 45-48 + 3 scales; anal fin with 17-20½ branched rays; 16-22 gill rakers; ventral keel exposed from anus to pelvic base; lateral stripe absent in life, faint or absent in preserved specimens; and mouth slightly superior (Ref. 59043). Caudal fin with 19 rays (Ref. 2196). Also Ref. 40476. |
| 鑑定難易度 |
| 側線 | 打斷: No |
| 側線上的鱗片 | 48 - 55 |
| 側線上鱗片數 | |
| 側生系列的鱗片 | |
| 側線上的鱗片列 | 7 - 9 |
| 側線下的鱗片列 | 3 - 4 |
| 尾梗周圍的鱗片 | |
| 觸鬚 | |
| 鰓裂 (僅限於鯊魚/ 魟魚) | |
| 鰓耙 | |
| 在下肢上 | |
| 上枝鰓耙 | |
| 總數 | 16 - 23 |
| 脊椎骨 | |
| 肛門前 | |
| 總數 | 41 - 44 |
| 屬性 | no striking attributes |
| 鰭數 | 1 |
| 離鰭號碼 | Dorsal 0 - 0 |
| Ventral 0 - 0 | |
| 棘總數 | 2 - 4 |
| 軟條總數 | 7 - 9 |
| 脂鰭 | absent |
| 屬性 | forked; more or less normal |
| 鰭數 | 1 |
| 棘總數 | 3 - 3 |
| 軟條總數 | 14 - 20 |
| 胸鰭 | 屬性 more or less normal |
| 脊椎 1 | |
| 軟條 14 - 18 | |
| 骨盤的 | 屬性 more or less normal |
| 位置 abdominal before origin of D1 | |
| 脊椎 2 | |
| 軟條 7 - 8 |